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TUSB1046A-DCI: TUSB1046A-DCI system architecture check

Henry yu
Prodigy 40 points
Part Number: TUSB1046A-DCI
Other Parts Discussed in Thread: TUSB1146

Tool/software:

Hi,

I have a question about TUSB1046A-DCI system architecture, the block diagram as below:

 

The CPU's TCSS provides DP and USB 3.2 signals to the TUSB1046A, but due to an insufficient number of USB ports, we added a USB hub between the CPU and the TUSB1046A.
May I ask if there are any concerns with this architecture?

Thanks

Henry